<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity
{
    
    public $idUsuario = 0;
    public $hash = '';
    public $datos = "aaa";
    
	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
    
    
        public function authenticate(){
            
            $usuario = Usuarios::model()->findAll("usuario = '" . $this->username . "'");
            
            if((count($usuario) > 0) && ($usuario[0]->contrasena === sha1($this->password))){
                $this->errorCode = self::ERROR_NONE;
                $this->idUsuario = $usuario[0]->idUsuario;
                $this->hash = sha1($usuario[0]->contrasena . $usuario[0]->idUsuario . rand(10,1000));
                $this->setState('hash', $this->hash);
            }else{
                $this->errorCode = self::ERROR_PASSWORD_INVALID;
            }
            return !$this->errorCode;
        }

        public function getId(){
            return $this->idUsuario;
        }
        
//        public function getHash(){
//            return $this->hash;
//        }

        /*
	public function authenticate()
	{
		$users=array(
			// username => password
			'demo'=>'demo',
			'admin'=>'admin',
		);
		if(!isset($users[$this->username]))
			$this->errorCode=self::ERROR_USERNAME_INVALID;
		else if($users[$this->username]!==$this->password)
			$this->errorCode=self::ERROR_PASSWORD_INVALID;
		else
			$this->errorCode=self::ERROR_NONE;
		return !$this->errorCode;
	}*/
}